(19)

(11)

EP 2 291 609 A1

(12)

(43) Date of publication: 09.03.2011 Bulletin 2011/10 (21) Application number: 09769278.4 (22) Date of filing: 24.06.2009

(51) International Patent Classification (IPC):  G01C 21/26(2006.01) (86) International application number: PCT/EP2009/057881 (87) International publication number: WO 2009/156429 (30.12.2009 Gazette 2009/53)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK TR Designated Extension States: AL BA RS (30) Priority: 25.06.2008 US 129413 (71) Applicant: TomTom International B.V. 1017 CT Amsterdam (NL)	(72) Inventor: GREEN, Jeremy Edinburgh EH16 9UZ (GB) (74) Representative: Moore, Nicholas  TomTom International BV Oosterdoksstraat 114 1011 Amsterdam 1011 Amsterdam (NL)